Norovirus outbreak linked to B.C. oysters continues to spread in three provinces
VANCOUVER — Oysters from British Columbia have been linked to 22 additional cases of highly contagious norovirus or other stomach ailments in three provinces.
The Public Health Agency of Canada says 289 cases of gastrointestinal illnesses were under investigation as of Monday.
A public health notice issued by the agency says that includes 201 cases in B.C., 48 in Ontario and 40 in Alberta.
The illnesses are linked to raw and undercooked B.C. oysters but the agency says the cause of the contamination remains unidentified.


